This commit is contained in:
Falco Girgis 2024-08-11 09:19:59 -05:00
commit b6995edc66
21 changed files with 154 additions and 203 deletions

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@ -22,7 +22,7 @@ string(TOUPPER ${BACKEND} BACKEND_UPPER)
add_definitions(-DBACKEND_${BACKEND_UPPER}) add_definitions(-DBACKEND_${BACKEND_UPPER})
set(CMAKE_C_STANDARD 99) set(CMAKE_C_STANDARD 99)
set(CMAKE_CXX_STANDARD 11) set(CMAKE_CXX_STANDARD 14)
include_directories(include) include_directories(include)

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@ -946,35 +946,6 @@ static void light(SubmissionTarget* target) {
_glPerformLighting(vertex, ES, target->count); _glPerformLighting(vertex, ES, target->count);
} }
GL_FORCE_INLINE void divide(SubmissionTarget* target) {
TRACE();
/* Perform perspective divide on each vertex */
Vertex* vertex = _glSubmissionTargetStart(target);
const float h = GetVideoMode()->height;
ITERATE(target->count) {
const float f = MATH_Fast_Invert(vertex->w);
/* Convert to NDC and apply viewport */
vertex->xyz[0] = MATH_fmac(
VIEWPORT.hwidth, vertex->xyz[0] * f, VIEWPORT.x_plus_hwidth
);
vertex->xyz[1] = h - MATH_fmac(
VIEWPORT.hheight, vertex->xyz[1] * f, VIEWPORT.y_plus_hheight
);
/* Apply depth range */
vertex->xyz[2] = MAX(
1.0f - MATH_fmac(vertex->xyz[2] * f, 0.5f, 0.5f),
PVR_MIN_Z
);
++vertex;
}
}
GL_FORCE_INLINE int _calc_pvr_face_culling() { GL_FORCE_INLINE int _calc_pvr_face_culling() {
if(!_glIsCullingEnabled()) { if(!_glIsCullingEnabled()) {
return GPU_CULLING_SMALL; return GPU_CULLING_SMALL;

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@ -158,30 +158,31 @@ void APIENTRY glColor3fv(const GLfloat* v) {
COLOR[B8IDX] = (GLubyte)(v[2] * 255); COLOR[B8IDX] = (GLubyte)(v[2] * 255);
} }
typedef union punned {
GLubyte* byte;
GLfloat* flt;
uint32_t* u32;
void* vptr;
uintptr_t uptr;
} punned_t;
void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) { void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
IM_ENABLED_VERTEX_ATTRIBUTES |= VERTEX_ENABLED_FLAG; IM_ENABLED_VERTEX_ATTRIBUTES |= VERTEX_ENABLED_FLAG;
IMVertex* vert = aligned_vector_extend(&VERTICES, 1); IMVertex* vert = aligned_vector_extend(&VERTICES, 1);
/* Resizing could've invalidated the pointers */ punned_t dest = { .flt = &vert->x };
IM_ATTRIBS.vertex.ptr = VERTICES.data; *(dest.flt++) = x;
IM_ATTRIBS.uv.ptr = IM_ATTRIBS.vertex.ptr + 12; *(dest.flt++) = y;
IM_ATTRIBS.st.ptr = IM_ATTRIBS.uv.ptr + 8; *(dest.flt++) = z;
IM_ATTRIBS.colour.ptr = IM_ATTRIBS.st.ptr + 8; *(dest.flt++) = UV_COORD[0];
IM_ATTRIBS.normal.ptr = IM_ATTRIBS.colour.ptr + 4; *(dest.flt++) = UV_COORD[1];
*(dest.flt++) = ST_COORD[0];
uint32_t* dest = (uint32_t*) &vert->x; *(dest.flt++) = ST_COORD[1];
*(dest++) = *((uint32_t*) &x); *(dest.u32++) = *((uint32_t*)(void*) COLOR);
*(dest++) = *((uint32_t*) &y); *(dest.flt++) = NORMAL[0];
*(dest++) = *((uint32_t*) &z); *(dest.flt++) = NORMAL[1];
*(dest++) = *((uint32_t*) &UV_COORD[0]); *(dest.flt++) = NORMAL[2];
*(dest++) = *((uint32_t*) &UV_COORD[1]);
*(dest++) = *((uint32_t*) &ST_COORD[0]);
*(dest++) = *((uint32_t*) &ST_COORD[1]);
*(dest++) = *((uint32_t*) COLOR);
*(dest++) = *((uint32_t*) &NORMAL[0]);
*(dest++) = *((uint32_t*) &NORMAL[1]);
*(dest++) = *((uint32_t*) &NORMAL[2]);
} }
void APIENTRY glVertex3fv(const GLfloat* v) { void APIENTRY glVertex3fv(const GLfloat* v) {
@ -254,6 +255,13 @@ void APIENTRY glNormal3fv(const GLfloat* v) {
void APIENTRY glEnd() { void APIENTRY glEnd() {
IMMEDIATE_MODE_ACTIVE = GL_FALSE; IMMEDIATE_MODE_ACTIVE = GL_FALSE;
/* Resizing could've invalidated the pointers */
IM_ATTRIBS.vertex.ptr = VERTICES.data;
IM_ATTRIBS.uv.ptr = IM_ATTRIBS.vertex.ptr + 12;
IM_ATTRIBS.st.ptr = IM_ATTRIBS.uv.ptr + 8;
IM_ATTRIBS.colour.ptr = IM_ATTRIBS.st.ptr + 8;
IM_ATTRIBS.normal.ptr = IM_ATTRIBS.colour.ptr + 4;
GLuint* attrs = &ENABLED_VERTEX_ATTRIBUTES; GLuint* attrs = &ENABLED_VERTEX_ATTRIBUTES;
/* Redirect attrib pointers */ /* Redirect attrib pointers */

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@ -15,13 +15,12 @@ GLfloat DEPTH_RANGE_MULTIPLIER_H = (0 + 1) / 2;
static Stack __attribute__((aligned(32))) MATRIX_STACKS[4]; // modelview, projection, texture static Stack __attribute__((aligned(32))) MATRIX_STACKS[4]; // modelview, projection, texture
static Matrix4x4 __attribute__((aligned(32))) NORMAL_MATRIX; static Matrix4x4 __attribute__((aligned(32))) NORMAL_MATRIX;
static Matrix4x4 __attribute__((aligned(32))) VIEWPORT_MATRIX;
Viewport VIEWPORT = { static Matrix4x4 __attribute__((aligned(32))) PROJECTION_MATRIX;
0, 0, 640, 480, 320.0f, 240.0f, 320.0f, 240.0f
};
static GLenum MATRIX_MODE = GL_MODELVIEW; static GLenum MATRIX_MODE = GL_MODELVIEW;
static GLubyte MATRIX_IDX = 0; static GLubyte MATRIX_IDX = 0;
static GLboolean NORMAL_DIRTY, PROJECTION_DIRTY;
static const Matrix4x4 __attribute__((aligned(32))) IDENTITY = { static const Matrix4x4 __attribute__((aligned(32))) IDENTITY = {
1.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f, 0.0f,
@ -94,12 +93,28 @@ static void transpose(GLfloat* m) {
swap(m[11], m[14]); swap(m[11], m[14]);
} }
static void recalculateNormalMatrix() { /* When projection matrix changes, need to pre-multiply with viewport transform matrix */
static void UpdateProjectionMatrix() {
PROJECTION_DIRTY = false;
UploadMatrix4x4(&VIEWPORT_MATRIX);
MultiplyMatrix4x4(stack_top(MATRIX_STACKS + (GL_PROJECTION & 0xF)));
DownloadMatrix4x4(&PROJECTION_MATRIX);
}
/* When modelview matrix changes, need to re-compute normal matrix */
static void UpdateNormalMatrix() {
NORMAL_DIRTY = false;
MEMCPY4(NORMAL_MATRIX, stack_top(MATRIX_STACKS + (GL_MODELVIEW & 0xF)), sizeof(Matrix4x4)); MEMCPY4(NORMAL_MATRIX, stack_top(MATRIX_STACKS + (GL_MODELVIEW & 0xF)), sizeof(Matrix4x4));
inverse((GLfloat*) NORMAL_MATRIX); inverse((GLfloat*) NORMAL_MATRIX);
transpose((GLfloat*) NORMAL_MATRIX); transpose((GLfloat*) NORMAL_MATRIX);
} }
static void OnMatrixChanged() {
if(MATRIX_MODE == GL_MODELVIEW) NORMAL_DIRTY = true;
if(MATRIX_MODE == GL_PROJECTION) PROJECTION_DIRTY = true;
}
void APIENTRY glMatrixMode(GLenum mode) { void APIENTRY glMatrixMode(GLenum mode) {
MATRIX_MODE = mode; MATRIX_MODE = mode;
MATRIX_IDX = mode & 0xF; MATRIX_IDX = mode & 0xF;
@ -111,17 +126,17 @@ void APIENTRY glPushMatrix() {
void* ret = stack_push(MATRIX_STACKS + MATRIX_IDX, top); void* ret = stack_push(MATRIX_STACKS + MATRIX_IDX, top);
(void) ret; (void) ret;
assert(ret); assert(ret);
OnMatrixChanged();
} }
void APIENTRY glPopMatrix() { void APIENTRY glPopMatrix() {
stack_pop(MATRIX_STACKS + MATRIX_IDX); stack_pop(MATRIX_STACKS + MATRIX_IDX);
if(MATRIX_MODE == GL_MODELVIEW) { OnMatrixChanged();
recalculateNormalMatrix();
}
} }
void APIENTRY glLoadIdentity() { void APIENTRY glLoadIdentity() {
stack_replace(MATRIX_STACKS + MATRIX_IDX, IDENTITY); stack_replace(MATRIX_STACKS + MATRIX_IDX, IDENTITY);
OnMatrixChanged();
} }
void APIENTRY glTranslatef(GLfloat x, GLfloat y, GLfloat z) { void APIENTRY glTranslatef(GLfloat x, GLfloat y, GLfloat z) {
@ -141,10 +156,7 @@ void APIENTRY glTranslatef(GLfloat x, GLfloat y, GLfloat z) {
assert(top); assert(top);
DownloadMatrix4x4(top); DownloadMatrix4x4(top);
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
@ -159,10 +171,7 @@ void APIENTRY glScalef(GLfloat x, GLfloat y, GLfloat z) {
UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
MultiplyMatrix4x4(&scale); MultiplyMatrix4x4(&scale);
DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
void APIENTRY glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) { void APIENTRY glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
@ -174,8 +183,13 @@ void APIENTRY glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
}; };
float r = DEG2RAD * angle; float r = DEG2RAD * angle;
float c = fcos(r); #ifdef __DREAMCAST__
float s = fsin(r); float s, c;
fsincos(r, &s, &c);
#else
float c = cosf(r);
float s = sinf(r);
#endif
VEC3_NORMALIZE(x, y, z); VEC3_NORMALIZE(x, y, z);
@ -202,10 +216,7 @@ void APIENTRY glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
MultiplyMatrix4x4((const Matrix4x4*) &rotate); MultiplyMatrix4x4((const Matrix4x4*) &rotate);
DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
/* Load an arbitrary matrix */ /* Load an arbitrary matrix */
@ -214,10 +225,7 @@ void APIENTRY glLoadMatrixf(const GLfloat *m) {
memcpy(TEMP, m, sizeof(float) * 16); memcpy(TEMP, m, sizeof(float) * 16);
stack_replace(MATRIX_STACKS + MATRIX_IDX, TEMP); stack_replace(MATRIX_STACKS + MATRIX_IDX, TEMP);
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
/* Ortho */ /* Ortho */
@ -243,6 +251,7 @@ void APIENTRY glOrtho(GLfloat left, GLfloat right,
UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
MultiplyMatrix4x4((const Matrix4x4*) &OrthoMatrix); MultiplyMatrix4x4((const Matrix4x4*) &OrthoMatrix);
DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
OnMatrixChanged();
} }
@ -274,6 +283,7 @@ void APIENTRY glFrustum(GLfloat left, GLfloat right,
UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
MultiplyMatrix4x4((const Matrix4x4*) &FrustumMatrix); MultiplyMatrix4x4((const Matrix4x4*) &FrustumMatrix);
DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
OnMatrixChanged();
} }
@ -285,10 +295,7 @@ void glMultMatrixf(const GLfloat *m) {
UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
MultiplyMatrix4x4(&TEMP); MultiplyMatrix4x4(&TEMP);
DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
/* Load an arbitrary transposed matrix */ /* Load an arbitrary transposed matrix */
@ -319,10 +326,7 @@ void glLoadTransposeMatrixf(const GLfloat *m) {
TEMP[M15] = m[15]; TEMP[M15] = m[15];
stack_replace(MATRIX_STACKS + MATRIX_IDX, TEMP); stack_replace(MATRIX_STACKS + MATRIX_IDX, TEMP);
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
/* Multiply the current matrix by an arbitrary transposed matrix */ /* Multiply the current matrix by an arbitrary transposed matrix */
@ -352,22 +356,19 @@ void glMultTransposeMatrixf(const GLfloat *m) {
UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); UploadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
MultiplyMatrix4x4((const Matrix4x4*) &TEMP); MultiplyMatrix4x4((const Matrix4x4*) &TEMP);
DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX)); DownloadMatrix4x4(stack_top(MATRIX_STACKS + MATRIX_IDX));
OnMatrixChanged();
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
} }
/* Set the GL viewport */ /* Set the GL viewport */
void APIENTRY glViewport(GLint x, GLint y, GLsizei width, GLsizei height) { void APIENTRY glViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
VIEWPORT.x = x; VIEWPORT_MATRIX[M0] = width * 0.5f;
VIEWPORT.y = y; VIEWPORT_MATRIX[M5] = height * -0.5f;
VIEWPORT.width = width; VIEWPORT_MATRIX[M10] = 1.0f;
VIEWPORT.height = height; VIEWPORT_MATRIX[M15] = 1.0f;
VIEWPORT.hwidth = ((GLfloat) VIEWPORT.width) * 0.5f;
VIEWPORT.hheight = ((GLfloat) VIEWPORT.height) * 0.5f; VIEWPORT_MATRIX[M12] = x + width * 0.5f;
VIEWPORT.x_plus_hwidth = VIEWPORT.x + VIEWPORT.hwidth; VIEWPORT_MATRIX[M13] = GetVideoMode()->height - (y + height * 0.5f);
VIEWPORT.y_plus_hheight = VIEWPORT.y + VIEWPORT.hheight; PROJECTION_DIRTY = true;
} }
/* Set the depth range */ /* Set the depth range */
@ -459,14 +460,17 @@ void _glMatrixLoadModelView() {
} }
void _glMatrixLoadProjection() { void _glMatrixLoadProjection() {
UploadMatrix4x4((const Matrix4x4*) stack_top(MATRIX_STACKS + (GL_PROJECTION & 0xF))); if (PROJECTION_DIRTY) UpdateProjectionMatrix();
UploadMatrix4x4(&PROJECTION_MATRIX);
} }
void _glMatrixLoadModelViewProjection() { void _glMatrixLoadModelViewProjection() {
UploadMatrix4x4((const Matrix4x4*) stack_top(MATRIX_STACKS + (GL_PROJECTION & 0xF))); if (PROJECTION_DIRTY) UpdateProjectionMatrix();
UploadMatrix4x4(&PROJECTION_MATRIX);
MultiplyMatrix4x4((const Matrix4x4*) stack_top(MATRIX_STACKS + (GL_MODELVIEW & 0xF))); MultiplyMatrix4x4((const Matrix4x4*) stack_top(MATRIX_STACKS + (GL_MODELVIEW & 0xF)));
} }
void _glMatrixLoadNormal() { void _glMatrixLoadNormal() {
if (NORMAL_DIRTY) UpdateNormalMatrix();
UploadMatrix4x4((const Matrix4x4*) &NORMAL_MATRIX); UploadMatrix4x4((const Matrix4x4*) &NORMAL_MATRIX);
} }

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@ -79,9 +79,10 @@ GL_FORCE_INLINE void _glPerspectiveDivideVertex(Vertex* vertex, const float h, i
for(int v = 0; v < count; ++v) { for(int v = 0; v < count; ++v) {
const float f = _glFastInvert(vertex[v].w); const float f = _glFastInvert(vertex[v].w);
/* Convert to NDC and apply viewport */ /* Convert to screenspace */
vertex[v].xyz[0] = (vertex[v].xyz[0] * f * 320) + 320; /* (note that vertices have already been viewport transformed) */
vertex[v].xyz[1] = (vertex[v].xyz[1] * f * -240) + 240; vertex[v].xyz[0] *= f;
vertex[v].xyz[1] *= f;
/* Orthographic projections need to use invZ otherwise we lose /* Orthographic projections need to use invZ otherwise we lose
the depth information. As w == 1, and clip-space range is -w to +w the depth information. As w == 1, and clip-space range is -w to +w

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@ -75,17 +75,13 @@ void SceneListBegin(GPUList list) {
vertex_counter = 0; vertex_counter = 0;
} }
GL_FORCE_INLINE void _glPerspectiveDivideVertex(Vertex* vertex, const float h) { GL_FORCE_INLINE void _glPerspectiveDivideVertex(Vertex* vertex) {
const float f = 1.0f / (vertex->w); const float f = 1.0f / (vertex->w);
/* Convert to NDC and apply viewport */ /* Convert to screenspace */
vertex->xyz[0] = __builtin_fmaf( /* (note that vertices have already been viewport transformed) */
VIEWPORT.hwidth, vertex->xyz[0] * f, VIEWPORT.x_plus_hwidth vertex->xyz[0] = vertex->xyz[0] * f;
); vertex->xyz[1] = vertex->xyz[1] * f;
vertex->xyz[1] = h - __builtin_fmaf(
VIEWPORT.hheight, vertex->xyz[1] * f, VIEWPORT.y_plus_hheight
);
if(vertex->w == 1.0f) { if(vertex->w == 1.0f) {
vertex->xyz[2] = 1.0f / (1.0001f + vertex->xyz[2]); vertex->xyz[2] = 1.0f / (1.0001f + vertex->xyz[2]);
@ -143,8 +139,6 @@ void SceneListSubmit(Vertex* v2, int n) {
return; return;
} }
const float h = GetVideoMode()->height;
uint8_t visible_mask = 0; uint8_t visible_mask = 0;
uint8_t counter = 0; uint8_t counter = 0;
@ -182,19 +176,19 @@ void SceneListSubmit(Vertex* v2, int n) {
switch(visible_mask) { switch(visible_mask) {
case 15: /* All visible, but final vertex in strip */ case 15: /* All visible, but final vertex in strip */
{ {
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
_glPerspectiveDivideVertex(v1, h); _glPerspectiveDivideVertex(v1);
_glPushHeaderOrVertex(v1); _glPushHeaderOrVertex(v1);
_glPerspectiveDivideVertex(v2, h); _glPerspectiveDivideVertex(v2);
_glPushHeaderOrVertex(v2); _glPushHeaderOrVertex(v2);
} }
break; break;
case 7: case 7:
/* All visible, push the first vertex and move on */ /* All visible, push the first vertex and move on */
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
break; break;
case 9: case 9:
@ -210,13 +204,13 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v2, v0, b); _glClipEdge(v2, v0, b);
b->flags = GPU_CMD_VERTEX_EOL; b->flags = GPU_CMD_VERTEX_EOL;
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
} }
break; break;
@ -233,13 +227,13 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v2, v0, b); _glClipEdge(v2, v0, b);
b->flags = GPU_CMD_VERTEX; b->flags = GPU_CMD_VERTEX;
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
} }
@ -262,13 +256,13 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v1, v2, b); _glClipEdge(v1, v2, b);
b->flags = v2->flags; b->flags = v2->flags;
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
_glPerspectiveDivideVertex(c, h); _glPerspectiveDivideVertex(c);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
} }
break; break;
@ -285,19 +279,19 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v2, v0, b); _glClipEdge(v2, v0, b);
b->flags = GPU_CMD_VERTEX; b->flags = GPU_CMD_VERTEX;
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
_glClipEdge(v1, v2, a); _glClipEdge(v1, v2, a);
a->flags = v2->flags; a->flags = v2->flags;
_glPerspectiveDivideVertex(c, h); _glPerspectiveDivideVertex(c);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
} }
@ -319,17 +313,17 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v1, v2, b); _glClipEdge(v1, v2, b);
b->flags = GPU_CMD_VERTEX; b->flags = GPU_CMD_VERTEX;
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
if(counter % 2 == 1) { if(counter % 2 == 1) {
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
} }
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
_glPerspectiveDivideVertex(c, h); _glPerspectiveDivideVertex(c);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
} }
break; break;
@ -349,15 +343,15 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v1, v2, b); _glClipEdge(v1, v2, b);
b->flags = GPU_CMD_VERTEX; b->flags = GPU_CMD_VERTEX;
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
_glPerspectiveDivideVertex(c, h); _glPerspectiveDivideVertex(c);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
c->flags = GPU_CMD_VERTEX_EOL; c->flags = GPU_CMD_VERTEX_EOL;
@ -380,15 +374,15 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v1, v2, b); _glClipEdge(v1, v2, b);
b->flags = GPU_CMD_VERTEX; b->flags = GPU_CMD_VERTEX;
_glPerspectiveDivideVertex(v0, h); _glPerspectiveDivideVertex(v0);
_glPushHeaderOrVertex(v0); _glPushHeaderOrVertex(v0);
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
_glPerspectiveDivideVertex(c, h); _glPerspectiveDivideVertex(c);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
} }
@ -411,17 +405,17 @@ void SceneListSubmit(Vertex* v2, int n) {
_glClipEdge(v2, v0, b); _glClipEdge(v2, v0, b);
b->flags = GPU_CMD_VERTEX; b->flags = GPU_CMD_VERTEX;
_glPerspectiveDivideVertex(a, h); _glPerspectiveDivideVertex(a);
_glPushHeaderOrVertex(a); _glPushHeaderOrVertex(a);
_glPerspectiveDivideVertex(c, h); _glPerspectiveDivideVertex(c);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPerspectiveDivideVertex(b, h); _glPerspectiveDivideVertex(b);
_glPushHeaderOrVertex(b); _glPushHeaderOrVertex(b);
_glPushHeaderOrVertex(c); _glPushHeaderOrVertex(c);
_glPerspectiveDivideVertex(d, h); _glPerspectiveDivideVertex(d);
_glPushHeaderOrVertex(d); _glPushHeaderOrVertex(d);
} }
break; break;

View File

@ -104,20 +104,6 @@ typedef struct {
AlignedVector vector; AlignedVector vector;
} PolyList; } PolyList;
typedef struct {
GLint x;
GLint y;
GLint width;
GLint height;
float x_plus_hwidth;
float y_plus_hheight;
float hwidth; /* width * 0.5f */
float hheight; /* height * 0.5f */
} Viewport;
extern Viewport VIEWPORT;
typedef struct { typedef struct {
/* Palette data is always stored in RAM as RGBA8888 and packed as ARGB8888 /* Palette data is always stored in RAM as RGBA8888 and packed as ARGB8888
* when uploaded to the PVR */ * when uploaded to the PVR */

View File

@ -80,9 +80,7 @@ static struct {
.color_control = GL_SINGLE_COLOR, .color_control = GL_SINGLE_COLOR,
.color_material_mode = GL_AMBIENT_AND_DIFFUSE, .color_material_mode = GL_AMBIENT_AND_DIFFUSE,
.color_material_mask = AMBIENT_MASK | DIFFUSE_MASK, .color_material_mask = AMBIENT_MASK | DIFFUSE_MASK,
.lights = {0},
.enabled_light_count = 0, .enabled_light_count = 0,
.material = {0},
.shade_model = GL_SMOOTH .shade_model = GL_SMOOTH
}; };

View File

@ -80,7 +80,6 @@ void DrawGLScene()
{ {
const float RED [] = {1.0, 0, 0, 0.5}; const float RED [] = {1.0, 0, 0, 0.5};
const float BLUE [] = {0.0, 0, 1, 0.5}; const float BLUE [] = {0.0, 0, 1, 0.5};
const float NONE [] = {0, 0, 0, 0};
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Clear The Screen And The Depth Buffer

View File

@ -48,7 +48,6 @@ int dtex_to_gl_texture(texture *tex, char* filename) {
GLboolean twiddled = (header.type & (1 << 26)) < 1; GLboolean twiddled = (header.type & (1 << 26)) < 1;
GLboolean compressed = (header.type & (1 << 30)) > 0; GLboolean compressed = (header.type & (1 << 30)) > 0;
GLboolean mipmapped = (header.type & (1 << 31)) > 0; GLboolean mipmapped = (header.type & (1 << 31)) > 0;
GLboolean strided = (header.type & (1 << 25)) > 0;
GLuint format = (header.type >> 27) & 0b111; GLuint format = (header.type >> 27) & 0b111;
image->data = (char *) malloc (header.size); image->data = (char *) malloc (header.size);

View File

@ -26,7 +26,7 @@ KOS_INIT_ROMDISK(romdisk);
float xrot, yrot, zrot; float xrot, yrot, zrot;
/* storage for one texture */ /* storage for one texture */
int texture[1]; GLuint texture[1];
// Load Bitmaps And Convert To Textures // Load Bitmaps And Convert To Textures
void LoadGLTextures() { void LoadGLTextures() {
@ -81,7 +81,7 @@ void InitGL(int Width, int Height) // We call this right after our OpenG
GLfloat l1_pos[] = {5.0, 0.0, 1.0, 1.0}; GLfloat l1_pos[] = {5.0, 0.0, 1.0, 1.0};
GLfloat l1_diff[] = {1.0, 0.0, 0.0, 1.0}; GLfloat l1_diff[] = {1.0, 0.0, 0.0, 1.0};
GLfloat l1_amb[] = {0.5, 0.5, 0.5, 1.0}; //GLfloat l1_amb[] = {0.5, 0.5, 0.5, 1.0};
//glLightfv(GL_LIGHT1, GL_AMBIENT, l1_amb); //glLightfv(GL_LIGHT1, GL_AMBIENT, l1_amb);
glLightfv(GL_LIGHT1, GL_DIFFUSE, l1_diff); glLightfv(GL_LIGHT1, GL_DIFFUSE, l1_diff);
@ -93,7 +93,7 @@ void InitGL(int Width, int Height) // We call this right after our OpenG
GLfloat l2_pos[] = {0.0, 15.0, 1.0, 1.0}; GLfloat l2_pos[] = {0.0, 15.0, 1.0, 1.0};
GLfloat l2_dir[] = {0.0, -1.0, 0.0}; GLfloat l2_dir[] = {0.0, -1.0, 0.0};
GLfloat l2_diff[] = {0.5, 0.5, 0.0, 1.0}; GLfloat l2_diff[] = {0.5, 0.5, 0.0, 1.0};
GLfloat l2_amb[] = {0.5, 0.5, 0.5, 1.0}; //GLfloat l2_amb[] = {0.5, 0.5, 0.5, 1.0};
glEnable(GL_LIGHT2); glEnable(GL_LIGHT2);
glLightfv(GL_LIGHT2, GL_DIFFUSE, l2_diff); glLightfv(GL_LIGHT2, GL_DIFFUSE, l2_diff);
@ -145,7 +145,7 @@ void DrawTexturedQuad(int tex, float x, float y, float z)
GLfloat y0 = y - texH / 2; GLfloat y0 = y - texH / 2;
GLfloat x1 = x + texW / 2; GLfloat x1 = x + texW / 2;
GLfloat y1 = y + texH / 2; GLfloat y1 = y + texH / 2;
GLfloat color[] = {1.0f, 1.0f, 1.0f, 1.0f}; //GLfloat color[] = {1.0f, 1.0f, 1.0f, 1.0f};
GLfloat mat_ambient[] = {1.0f, 1.0f, 1.0f, 1.0f}; GLfloat mat_ambient[] = {1.0f, 1.0f, 1.0f, 1.0f};
GLfloat vertex_data[] = { GLfloat vertex_data[] = {
@ -172,14 +172,6 @@ void DrawTexturedQuad(int tex, float x, float y, float z)
0.0, 0.0, 1.0 0.0, 0.0, 1.0
}; };
GLfloat color_data[] = {
/* 2D Coordinate, texture coordinate */
color[0], color[1], color[2], color[3],
color[0], color[1], color[2], color[3],
color[0], color[1], color[2], color[3],
color[0], color[1], color[2], color[3]
};
//GLint indices[] = {0,1,2,3,2,3}; //GLint indices[] = {0,1,2,3,2,3};
glEnable(GL_TEXTURE_2D); glEnable(GL_TEXTURE_2D);

View File

@ -24,8 +24,7 @@ KOS_INIT_ROMDISK(romdisk);
#include "../loadbmp.h" #include "../loadbmp.h"
float xrot, yrot, zrot; float xrot, yrot, zrot;
GLuint texture[1];
int texture[1];
void LoadGLTextures() { void LoadGLTextures() {

View File

@ -35,7 +35,7 @@ int ImageLoad(char *filename, Image *image) {
return 0; return 0;
} }
image->sizeX = sizeX; image->sizeX = sizeX;
printf("Width of %s: %d\n", filename, sizeX); printf("Width of %s: %ld\n", filename, sizeX);
// read the height // read the height
if ((i = fread(&sizeY, 4, 1, file)) != 1) { if ((i = fread(&sizeY, 4, 1, file)) != 1) {
@ -43,7 +43,7 @@ int ImageLoad(char *filename, Image *image) {
return 0; return 0;
} }
image->sizeY = sizeY; image->sizeY = sizeY;
printf("Height of %s: %d\n", filename, sizeY); printf("Height of %s: %ld\n", filename, sizeY);
// calculate the size (assuming 24 bits or 3 bytes per pixel). // calculate the size (assuming 24 bits or 3 bytes per pixel).
size = image->sizeX * image->sizeY * 3; size = image->sizeX * image->sizeY * 3;

View File

@ -20,9 +20,7 @@ KOS_INIT_ROMDISK(romdisk);
#endif #endif
#include "../loadbmp.h" #include "../loadbmp.h"
GLuint texture[1];
/* storage for one texture */
int texture[1];
// Load Bitmaps And Convert To Textures // Load Bitmaps And Convert To Textures
void LoadGLTextures() { void LoadGLTextures() {

View File

@ -62,7 +62,7 @@ int ImageLoad(char *filename, Image *image) {
GLboolean twiddled = (header.type & (1 << 26)) < 1; GLboolean twiddled = (header.type & (1 << 26)) < 1;
GLboolean compressed = (header.type & (1 << 30)) > 0; GLboolean compressed = (header.type & (1 << 30)) > 0;
GLboolean mipmapped = (header.type & (1 << 31)) > 0; GLboolean mipmapped = (header.type & (1 << 31)) > 0;
GLboolean strided = (header.type & (1 << 25)) > 0; //GLboolean strided = (header.type & (1 << 25)) > 0;
GLuint format = (header.type >> 27) & 0b111; GLuint format = (header.type >> 27) & 0b111;
image->data = (char *) malloc (header.size); image->data = (char *) malloc (header.size);
@ -70,8 +70,8 @@ int ImageLoad(char *filename, Image *image) {
image->sizeY = header.height; image->sizeY = header.height;
image->dataSize = header.size; image->dataSize = header.size;
GLuint expected = 2 * header.width * header.height; //GLuint expected = 2 * header.width * header.height;
GLuint ratio = (GLuint) (((GLfloat) expected) / ((GLfloat) header.size)); //GLuint ratio = (GLuint) (((GLfloat) expected) / ((GLfloat) header.size));
fread(image->data, image->dataSize, 1, file); fread(image->data, image->dataSize, 1, file);
fclose(file); fclose(file);

View File

@ -22,7 +22,7 @@ KOS_INIT_ROMDISK(romdisk);
float xrot, yrot, zrot; float xrot, yrot, zrot;
/* storage for one texture */ /* storage for one texture */
int texture[1]; GLuint texture[1];
/* Image type - contains height, width, and data */ /* Image type - contains height, width, and data */
struct Image { struct Image {
@ -59,7 +59,7 @@ int ImageLoad(char *filename, Image *image) {
GLboolean twiddled = (header.type & (1 << 26)) < 1; GLboolean twiddled = (header.type & (1 << 26)) < 1;
GLboolean compressed = (header.type & (1 << 30)) > 0; GLboolean compressed = (header.type & (1 << 30)) > 0;
GLboolean mipmapped = (header.type & (1 << 31)) > 0; GLboolean mipmapped = (header.type & (1 << 31)) > 0;
GLboolean strided = (header.type & (1 << 25)) > 0; //GLboolean strided = (header.type & (1 << 25)) > 0;
GLuint format = (header.type >> 27) & 0b111; GLuint format = (header.type >> 27) & 0b111;
image->data = (char *) malloc (header.size); image->data = (char *) malloc (header.size);
@ -67,8 +67,8 @@ int ImageLoad(char *filename, Image *image) {
image->sizeY = header.height; image->sizeY = header.height;
image->dataSize = header.size; image->dataSize = header.size;
GLuint expected = 2 * header.width * header.height; //GLuint expected = 2 * header.width * header.height;
GLuint ratio = (GLuint) (((GLfloat) expected) / ((GLfloat) header.size)); //GLuint ratio = (GLuint) (((GLfloat) expected) / ((GLfloat) header.size));
fread(image->data, image->dataSize, 1, file); fread(image->data, image->dataSize, 1, file);
fclose(file); fclose(file);

View File

@ -11,6 +11,11 @@
#include <stdint.h> #include <stdint.h>
#include <stdlib.h> #include <stdlib.h>
#ifdef __DREAMCAST__
#include <kos.h>
#endif
#define FPS 60 #define FPS 60
uint32_t waittime = 1000.0f/FPS; uint32_t waittime = 1000.0f/FPS;
uint32_t framestarttime = 0; uint32_t framestarttime = 0;
@ -227,8 +232,6 @@ int DrawGLScene(GLvoid) // Here's Where We Do All The Drawing
int main(int argc, char *argv[]) int main(int argc, char *argv[])
{ {
BOOL done=FALSE; // Bool Variable To Exit Loop
glKosInit(); glKosInit();
InitGL(); InitGL();

View File

@ -22,8 +22,7 @@ KOS_INIT_ROMDISK(romdisk);
/* floats for x rotation, y rotation, z rotation */ /* floats for x rotation, y rotation, z rotation */
float xrot, yrot, zrot; float xrot, yrot, zrot;
/* storage for one texture */ GLuint texture[1];
int texture[1];
typedef struct { typedef struct {
unsigned int height; unsigned int height;

View File

@ -41,7 +41,7 @@
/* floats for x rotation, y rotation, z rotation */ /* floats for x rotation, y rotation, z rotation */
float xrot, yrot, zrot; float xrot, yrot, zrot;
int textures[3]; GLuint textures[3];
typedef struct { typedef struct {
uint32_t height; uint32_t height;
@ -272,7 +272,7 @@ int BMP_GetPalette(FILE *pFile)
bitCount = BmpInfoHeader.ClrImportant * sizeof(RGB_QUAD); bitCount = BmpInfoHeader.ClrImportant * sizeof(RGB_QUAD);
if (fread(BmpRgbQuad, 1, bitCount, pFile) != bitCount){ if (fread(BmpRgbQuad, 1, bitCount, pFile) != bitCount){
fprintf(stderr, "Failed to read palette: %d\n", bitCount); fprintf(stderr, "Failed to read palette: %ld\n", bitCount);
return 0; return 0;
} }
@ -293,7 +293,7 @@ int BMP_GetPalette(FILE *pFile)
int BMP_Depack(FILE *pFile,char *pZone) int BMP_Depack(FILE *pFile,char *pZone)
{ {
char PadRead[4]; char PadRead[4];
int32_t i, j, Offset, PadSize, pix, c; int32_t i, j, Offset, PadSize, c;
if (BmpInfoHeader.Compression != BMP_BI_RGB) if (BmpInfoHeader.Compression != BMP_BI_RGB)
return 0; return 0;
@ -356,7 +356,7 @@ int LoadPalettedBMP(const char* filename, Image* image)
} }
/* store palette information */ /* store palette information */
image->palette = BmpPal; image->palette = (char*)BmpPal;
image->palette_width = 16; image->palette_width = 16;

View File

@ -287,7 +287,7 @@ static bool write_samples(const char* path) {
root = ARCS; root = ARCS;
for(int i = 0; i < BUCKET_SIZE; ++i) { for(int i = 0; i < BUCKET_SIZE; ++i) {
if(root->pc) { if(root->pc) {
printf("Incrementing %d for %x. ", (root->pc - lowest_address) / bin_size, (unsigned int) root->pc); printf("Incrementing %ld for %x. ", (root->pc - lowest_address) / bin_size, (unsigned int) root->pc);
bins[(root->pc - lowest_address) / bin_size]++; bins[(root->pc - lowest_address) / bin_size]++;
printf("Now: %d\n", (int) bins[(root->pc - lowest_address) / bin_size]); printf("Now: %d\n", (int) bins[(root->pc - lowest_address) / bin_size]);

View File

@ -435,7 +435,7 @@ bool test_clip_case_001() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 5); check_equal(sent.size(), 5u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);
@ -461,7 +461,7 @@ bool test_clip_case_010() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 4); check_equal(sent.size(), 4u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);
@ -481,7 +481,7 @@ bool test_clip_case_100() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 5); check_equal(sent.size(), 5u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);
@ -507,7 +507,7 @@ bool test_clip_case_110() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 6); check_equal(sent.size(), 6u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);
@ -530,7 +530,7 @@ bool test_clip_case_011() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 6); check_equal(sent.size(), 6u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);
@ -553,7 +553,7 @@ bool test_clip_case_101() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 6); check_equal(sent.size(), 6u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);
@ -576,7 +576,7 @@ bool test_clip_case_111() {
SceneListSubmit(&data[0], data.size()); SceneListSubmit(&data[0], data.size());
check_equal(sent.size(), 4); check_equal(sent.size(), 4u);
check_equal(sent[0].flags, GPU_CMD_POLYHDR); check_equal(sent[0].flags, GPU_CMD_POLYHDR);
check_equal(sent[1].flags, GPU_CMD_VERTEX); check_equal(sent[1].flags, GPU_CMD_VERTEX);
check_equal(sent[2].flags, GPU_CMD_VERTEX); check_equal(sent[2].flags, GPU_CMD_VERTEX);