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Fix optimisations

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This commit is contained in:
Luke Benstead 2021-04-19 20:21:46 +01:00
parent eb35d607b9
commit b480c0a01f
2 changed files with 18 additions and 22 deletions
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2
CMakeLists.txt
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@ -25,6 +25,8 @@ if(NOT PLATFORM_DREAMCAST)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -m32")
endif()
set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} -O3 --fast-math")
set(
SOURCES
containers/aligned_vector.c

38
GL/immediate.c
View File

@ -31,12 +31,9 @@ static AttribPointer UV_ATTRIB;
static AttribPointer ST_ATTRIB;
static AttribPointer NORMAL_ATTRIB;
/* Set of flags that have been enabled by glNormal etc. Cleared to VERTEX_ENABLED_FLAG
in glBegin */
static GLuint ENABLED_VERTEX_ATTRIBUTES_DRAFT = VERTEX_ENABLED_FLAG;
/* Set from ENABLED_VERTEX_ATTRIBUTES when glVertex is called so that
* new attribute types are ignored if they appear after the first vertex */
/* We store the list of attributes that have been "enabled" by a call to
glColor, glNormal, glTexCoord etc. otherwise we already have defaults that
can be applied faster */
static GLuint ENABLED_VERTEX_ATTRIBUTES = 0;
static inline uint32_t pack_vertex_attribute_vec3_1i(float x, float y, float z) {
@ -113,13 +110,10 @@ void APIENTRY glBegin(GLenum mode) {
IMMEDIATE_MODE_ACTIVE = GL_TRUE;
ACTIVE_POLYGON_MODE = mode;
/* Only vertices enabled at the moment */
ENABLED_VERTEX_ATTRIBUTES = ENABLED_VERTEX_ATTRIBUTES_DRAFT = VERTEX_ENABLED_FLAG;
}
void APIENTRY glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(r * 255);
COLOR[1] = (GLubyte)(g * 255);
@ -128,7 +122,7 @@ void APIENTRY glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
}
void APIENTRY glColor4ub(GLubyte r, GLubyte g, GLubyte b, GLubyte a) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = r;
COLOR[1] = g;
@ -137,7 +131,7 @@ void APIENTRY glColor4ub(GLubyte r, GLubyte g, GLubyte b, GLubyte a) {
}
void APIENTRY glColor4fv(const GLfloat* v) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(v[0] * 255);
COLOR[1] = (GLubyte)(v[1] * 255);
@ -146,7 +140,7 @@ void APIENTRY glColor4fv(const GLfloat* v) {
}
void APIENTRY glColor3f(GLfloat r, GLfloat g, GLfloat b) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(r * 255);
COLOR[1] = (GLubyte)(g * 255);
@ -155,7 +149,7 @@ void APIENTRY glColor3f(GLfloat r, GLfloat g, GLfloat b) {
}
void APIENTRY glColor3ub(GLubyte red, GLubyte green, GLubyte blue) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = red;
COLOR[1] = green;
@ -164,7 +158,7 @@ void APIENTRY glColor3ub(GLubyte red, GLubyte green, GLubyte blue) {
}
void APIENTRY glColor3ubv(const GLubyte *v) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = v[0];
COLOR[1] = v[1];
@ -173,7 +167,7 @@ void APIENTRY glColor3ubv(const GLubyte *v) {
}
void APIENTRY glColor3fv(const GLfloat* v) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= DIFFUSE_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= DIFFUSE_ENABLED_FLAG;
COLOR[0] = (GLubyte)(v[0] * 255);
COLOR[1] = (GLubyte)(v[1] * 255);
@ -182,7 +176,7 @@ void APIENTRY glColor3fv(const GLfloat* v) {
}
void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
ENABLED_VERTEX_ATTRIBUTES = ENABLED_VERTEX_ATTRIBUTES_DRAFT;
ENABLED_VERTEX_ATTRIBUTES |= VERTEX_ENABLED_FLAG;
GLVertexKOS* vert = aligned_vector_extend(&VERTICES, 1);
@ -237,11 +231,11 @@ void APIENTRY glVertex4fv(const GLfloat* v) {
void APIENTRY glMultiTexCoord2fARB(GLenum target, GLfloat s, GLfloat t) {
if(target == GL_TEXTURE0) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= UV_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= UV_ENABLED_FLAG;
UV_COORD[0] = s;
UV_COORD[1] = t;
} else if(target == GL_TEXTURE1) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= ST_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= ST_ENABLED_FLAG;
ST_COORD[0] = s;
ST_COORD[1] = t;
} else {
@ -252,7 +246,7 @@ void APIENTRY glMultiTexCoord2fARB(GLenum target, GLfloat s, GLfloat t) {
}
void APIENTRY glTexCoord2f(GLfloat u, GLfloat v) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= UV_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= UV_ENABLED_FLAG;
UV_COORD[0] = u;
UV_COORD[1] = v;
}
@ -262,12 +256,12 @@ void APIENTRY glTexCoord2fv(const GLfloat* v) {
}
void APIENTRY glNormal3f(GLfloat x, GLfloat y, GLfloat z) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= NORMAL_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= NORMAL_ENABLED_FLAG;
NORMAL = pack_vertex_attribute_vec3_1i(x, y, z);
}
void APIENTRY glNormal3fv(const GLfloat* v) {
ENABLED_VERTEX_ATTRIBUTES_DRAFT |= NORMAL_ENABLED_FLAG;
ENABLED_VERTEX_ATTRIBUTES |= NORMAL_ENABLED_FLAG;
glNormal3f(v[0], v[1], v[2]);
}