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Fix texture coordinate stride

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This commit is contained in:
Luke Benstead 2017-05-31 11:46:14 +01:00
parent 5fef5546ee
commit 1307f43bc5
1 changed files with 60 additions and 37 deletions
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97
gl-arrays.c
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@ -41,8 +41,8 @@ static GLubyte GL_KOS_CLIENT_ACTIVE_TEXTURE = GL_TEXTURE0_ARB & 0xF;
static GLubyte *GL_KOS_VERTEX_POINTER = NULL;
static GLfloat *GL_KOS_NORMAL_POINTER = NULL;
static GLfloat *GL_KOS_TEXCOORD0_POINTER = NULL;
static GLfloat *GL_KOS_TEXCOORD1_POINTER = NULL;
static GLubyte *GL_KOS_TEXCOORD0_POINTER = NULL;
static GLubyte *GL_KOS_TEXCOORD1_POINTER = NULL;
static GLubyte *GL_KOS_COLOR_POINTER = NULL;
static GLubyte *GL_KOS_INDEX_POINTER_U8 = NULL;
static GLushort *GL_KOS_INDEX_POINTER_U16 = NULL;
@ -153,16 +153,14 @@ GLAPI void APIENTRY glTexCoordPointer(GLint size, GLenum type,
}
if(GL_KOS_CLIENT_ACTIVE_TEXTURE) {
(stride) ? (GL_KOS_TEXCOORD1_STRIDE = stride / 4) : (GL_KOS_TEXCOORD1_STRIDE = 2);
GL_KOS_TEXCOORD1_POINTER = (float *)pointer;
GL_KOS_TEXCOORD1_STRIDE = (stride) ? stride : _calculate_byte_size(type) * size;
GL_KOS_TEXCOORD1_POINTER = (GLubyte *)pointer;
GL_KOS_VERTEX_PTR_MODE |= GL_KOS_USE_TEXTURE1;
}
else {
(stride) ? (GL_KOS_TEXCOORD0_STRIDE = stride / 4) : (GL_KOS_TEXCOORD0_STRIDE = 2);
GL_KOS_TEXCOORD0_POINTER = (float *)pointer;
GL_KOS_TEXCOORD0_STRIDE = (stride) ? stride : _calculate_byte_size(type) * size;
GL_KOS_TEXCOORD0_POINTER = (GLubyte *)pointer;
GL_KOS_VERTEX_PTR_MODE |= GL_KOS_USE_TEXTURE0;
}
@ -511,15 +509,16 @@ static inline void _glKosElementColor4fU16(pvr_vertex_t *dst, GLuint count) {
static inline void _glKosElementTexCoord2fU16(pvr_vertex_t *dst, GLuint count) {
GLuint i, index;
GLfloat *t = GL_KOS_TEXCOORD0_POINTER;
GLubyte *src = GL_KOS_TEXCOORD0_POINTER;
GLfloat *t;
if(_glKosEnabledTextureMatrix()) {
_glKosMatrixLoadTexture();
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U16[i] * GL_KOS_TEXCOORD0_STRIDE;
mat_trans_texture2_nomod(t[index], t[index + 1], dst[i].u, dst[i].v);
t = (GLfloat *) (src + index);
mat_trans_texture2_nomod(t[0], t[1], dst[i].u, dst[i].v);
}
_glKosMatrixLoadRender();
@ -527,23 +526,25 @@ static inline void _glKosElementTexCoord2fU16(pvr_vertex_t *dst, GLuint count) {
else {
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U16[i] * GL_KOS_TEXCOORD0_STRIDE;
dst[i].u = t[index];
dst[i].v = t[index + 1];
t = (GLfloat *) (src + index);
dst[i].u = t[0];
dst[i].v = t[1];
}
}
}
static inline void _glKosElementTexCoord2fU8(pvr_vertex_t *dst, GLuint count) {
GLuint i, index;
GLfloat *t = GL_KOS_TEXCOORD0_POINTER;
GLubyte *src = GL_KOS_TEXCOORD0_POINTER;
GLfloat *t;
if(_glKosEnabledTextureMatrix()) {
_glKosMatrixLoadTexture();
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U8[i] * GL_KOS_TEXCOORD0_STRIDE;
mat_trans_texture2_nomod(t[index], t[index + 1], dst[i].u, dst[i].v);
t = (GLfloat *) (src + index);
mat_trans_texture2_nomod(t[0], t[1], dst[i].u, dst[i].v);
}
_glKosMatrixLoadRender();
@ -551,33 +552,38 @@ static inline void _glKosElementTexCoord2fU8(pvr_vertex_t *dst, GLuint count) {
else {
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U8[i] * GL_KOS_TEXCOORD0_STRIDE;
dst[i].u = t[index];
dst[i].v = t[index + 1];
t = (GLfloat *) (src + index);
dst[i].u = t[0];
dst[i].v = t[1];
}
}
}
static inline void _glKosElementMultiTexCoord2fU16C(GLuint count) {
GLuint i, index;
GLfloat *t = GL_KOS_TEXCOORD1_POINTER;
GLubyte *src = GL_KOS_TEXCOORD1_POINTER;
GLfloat *t;
GLfloat *dst = GL_KOS_ARRAY_BUFUV;
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U16[i] * GL_KOS_TEXCOORD1_STRIDE;
*dst++ = t[index];
*dst++ = t[index + 1];
t = (GLfloat *) (src + index);
*dst++ = t[0];
*dst++ = t[1];
}
}
static inline void _glKosElementMultiTexCoord2fU8C(GLuint count) {
GLuint i, index;
GLfloat *t = GL_KOS_TEXCOORD1_POINTER;
GLubyte *src = GL_KOS_TEXCOORD1_POINTER;
GLfloat *t;
GLfloat *dst = GL_KOS_ARRAY_BUFUV;
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U8[i] * GL_KOS_TEXCOORD1_STRIDE;
*dst++ = t[index];
*dst++ = t[index + 1];
t = (GLfloat *) (src + index);
*dst++ = t[0];
*dst++ = t[1];
}
}
@ -586,13 +592,15 @@ static inline void _glKosElementMultiTexCoord2fU16(GLuint count) {
return _glKosElementMultiTexCoord2fU16C(count);
GLuint i, index;
GLfloat *t = GL_KOS_TEXCOORD1_POINTER;
GLubyte *src = GL_KOS_TEXCOORD1_POINTER;
GLfloat *t;
glTexCoord *dst = (glTexCoord *)_glKosMultiUVBufPointer();
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U16[i] * GL_KOS_TEXCOORD1_STRIDE;
dst[i].u = t[index];
dst[i].v = t[index + 1];
t = (GLfloat *) (src + index);
dst[i].u = t[0];
dst[i].v = t[1];
}
_glKosMultiUVBufAdd(count);
@ -603,13 +611,15 @@ static inline void _glKosElementMultiTexCoord2fU8(GLuint count) {
return _glKosElementMultiTexCoord2fU8C(count);
GLuint i, index;
GLfloat *t = GL_KOS_TEXCOORD1_POINTER;
GLubyte *src = GL_KOS_TEXCOORD1_POINTER;
GLfloat *t;
glTexCoord *dst = (glTexCoord *)_glKosMultiUVBufPointer();
for(i = 0; i < count; i++) {
index = GL_KOS_INDEX_POINTER_U8[i] * GL_KOS_TEXCOORD1_STRIDE;
dst[i].u = t[index];
dst[i].v = t[index + 1];
t = (GLfloat *) (src + index);
dst[i].u = t[0];
dst[i].v = t[1];
}
_glKosMultiUVBufAdd(count);
@ -1104,24 +1114,27 @@ static inline void _glKosArrayColor4f(pvr_vertex_t *dst, GLuint count) {
static inline void _glKosArrayTexCoord2f(pvr_vertex_t *dst, GLuint count) {
GLuint i;
GLfloat *uv = GL_KOS_TEXCOORD0_POINTER;
GLubyte *src = GL_KOS_TEXCOORD0_POINTER;
GLfloat *uv;
if(_glKosEnabledTextureMatrix()) {
_glKosMatrixLoadTexture();
for(i = 0; i < count; i++) {
uv = (GLfloat *) src;
mat_trans_texture2_nomod(uv[0], uv[1], dst[i].u, dst[i].v);
uv += GL_KOS_TEXCOORD0_STRIDE;
src += GL_KOS_TEXCOORD0_STRIDE;
}
_glKosMatrixLoadRender();
}
else {
for(i = 0; i < count; i++) {
uv = (GLfloat *) src;
dst[i].u = uv[0];
dst[i].v = uv[1];
uv += GL_KOS_TEXCOORD0_STRIDE;
src += GL_KOS_TEXCOORD0_STRIDE;
}
}
}
@ -1131,13 +1144,15 @@ static inline void _glKosArrayMultiTexCoord2f(GLuint count) {
return;
GLuint i;
GLfloat *uv = GL_KOS_TEXCOORD1_POINTER;
GLubyte *src = GL_KOS_TEXCOORD1_POINTER;
GLfloat *uv;
glTexCoord *dst = (glTexCoord *)_glKosMultiUVBufPointer();
for(i = 0; i < count; i++) {
uv = (GLfloat *) src;
dst[i].u = uv[0];
dst[i].v = uv[1];
uv += GL_KOS_TEXCOORD1_STRIDE;
src += GL_KOS_TEXCOORD1_STRIDE;
}
_glKosMultiUVBufAdd(count);
@ -1202,7 +1217,8 @@ GLAPI void APIENTRY glDrawArrays(GLenum mode, GLint first, GLsizei count) {
return;
GL_KOS_VERTEX_POINTER += (first * GL_KOS_VERTEX_STRIDE); /* Add Pointer Offset */
GL_KOS_TEXCOORD0_POINTER += first;
GL_KOS_TEXCOORD0_POINTER += (first * GL_KOS_TEXCOORD0_STRIDE);
GL_KOS_TEXCOORD1_POINTER += (first * GL_KOS_TEXCOORD1_STRIDE);
GL_KOS_COLOR_POINTER += (first * GL_KOS_COLOR_STRIDE);
GL_KOS_NORMAL_POINTER += first;
@ -1272,7 +1288,14 @@ GLAPI void APIENTRY glDrawArrays(GLenum mode, GLint first, GLsizei count) {
_glKosArraysTransformClip(count);
/* Finally, clip the input vertex data into the output vertex buffer */
count = _glKosArraysApplyClipping(GL_KOS_TEXCOORD1_POINTER, GL_KOS_TEXCOORD1_STRIDE, mode, count);
count = _glKosArraysApplyClipping(
(GLfloat *) GL_KOS_TEXCOORD1_POINTER,
GL_KOS_TEXCOORD1_STRIDE / 4,
mode, count
);
/* FIXME: The above function should really accept a GLbyte* and the stride directly
but that affects a lot of other code, so dividing the stride by float size
hopefully results in the same thing for now */
}
_glKosArraysApplyMultiTexture(mode, count);