diff options
Diffstat (limited to '3rdparty/tinygl-0.4-ugfx/src/arrays.c')
| -rw-r--r-- | 3rdparty/tinygl-0.4-ugfx/src/arrays.c | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/3rdparty/tinygl-0.4-ugfx/src/arrays.c b/3rdparty/tinygl-0.4-ugfx/src/arrays.c new file mode 100644 index 00000000..85b21bed --- /dev/null +++ b/3rdparty/tinygl-0.4-ugfx/src/arrays.c @@ -0,0 +1,207 @@ +#include "zgl.h" +#include <stdio.h> + +#define VERTEX_ARRAY 0x0001 +#define COLOR_ARRAY 0x0002 +#define NORMAL_ARRAY 0x0004 +#define TEXCOORD_ARRAY 0x0008 + +void +glopArrayElement(GLContext *c, GLParam *param) +{ + int i; + int states = c->client_states; + int idx = param[1].i; + + if (states & COLOR_ARRAY) { + GLParam p[5]; + int size = c->color_array_size; + i = idx * (size + c->color_array_stride); + p[1].f = c->color_array[i]; + p[2].f = c->color_array[i+1]; + p[3].f = c->color_array[i+2]; + p[4].f = size > 3 ? c->color_array[i+3] : 1.0f; + glopColor(c, p); + } + if (states & NORMAL_ARRAY) { + i = idx * (3 + c->normal_array_stride); + c->current_normal.X = c->normal_array[i]; + c->current_normal.Y = c->normal_array[i+1]; + c->current_normal.Z = c->normal_array[i+2]; + c->current_normal.Z = 0.0f; + } + if (states & TEXCOORD_ARRAY) { + int size = c->texcoord_array_size; + i = idx * (size + c->texcoord_array_stride); + c->current_tex_coord.X = c->texcoord_array[i]; + c->current_tex_coord.Y = c->texcoord_array[i+1]; + c->current_tex_coord.Z = size > 2 ? c->texcoord_array[i+2] : 0.0f; + c->current_tex_coord.W = size > 3 ? c->texcoord_array[i+3] : 1.0f; + } + if (states & VERTEX_ARRAY) { + GLParam p[5]; + int size = c->vertex_array_size; + i = idx * (size + c->vertex_array_stride); + p[1].f = c->vertex_array[i]; + p[2].f = c->vertex_array[i+1]; + p[3].f = size > 2 ? c->vertex_array[i+2] : 0.0f; + p[4].f = size > 3 ? c->vertex_array[i+3] : 1.0f; + glopVertex(c, p); + } +} + +void +glArrayElement(GLint i) +{ + GLParam p[2]; + p[0].op = OP_ArrayElement; + p[1].i = i; + gl_add_op(p); +} + + +void +glopEnableClientState(GLContext *c, GLParam *p) +{ + c->client_states |= p[1].i; +} + +void +glEnableClientState(GLenum array) +{ + GLParam p[2]; + p[0].op = OP_EnableClientState; + + switch(array) { + case GL_VERTEX_ARRAY: + p[1].i = VERTEX_ARRAY; + break; + case GL_NORMAL_ARRAY: + p[1].i = NORMAL_ARRAY; + break; + case GL_COLOR_ARRAY: + p[1].i = COLOR_ARRAY; + break; + case GL_TEXTURE_COORD_ARRAY: + p[1].i = TEXCOORD_ARRAY; + break; + default: + gl_assert(0); + break; + } + gl_add_op(p); +} + +void +glopDisableClientState(GLContext *c, GLParam *p) +{ + c->client_states &= p[1].i; +} + +void +glDisableClientState(GLenum array) +{ + GLParam p[2]; + p[0].op = OP_DisableClientState; + + switch(array) { + case GL_VERTEX_ARRAY: + p[1].i = ~VERTEX_ARRAY; + break; + case GL_NORMAL_ARRAY: + p[1].i = ~NORMAL_ARRAY; + break; + case GL_COLOR_ARRAY: + p[1].i = ~COLOR_ARRAY; + break; + case GL_TEXTURE_COORD_ARRAY: + p[1].i = ~TEXCOORD_ARRAY; + break; + default: + gl_assert(0); + break; + } + gl_add_op(p); +} + +void +glopVertexPointer(GLContext *c, GLParam *p) +{ + c->vertex_array_size = p[1].i; + c->vertex_array_stride = p[2].i; + c->vertex_array = p[3].p; +} + +void +glVertexPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *pointer) +{ + GLParam p[4]; + gl_assert(type == GL_FLOAT); + p[0].op = OP_VertexPointer; + p[1].i = size; + p[2].i = stride; + p[3].p = (void*)pointer; + gl_add_op(p); +} + +void +glopColorPointer(GLContext *c, GLParam *p) +{ + c->color_array_size = p[1].i; + c->color_array_stride = p[2].i; + c->color_array = p[3].p; +} + +void +glColorPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *pointer) +{ + GLParam p[4]; + gl_assert(type == GL_FLOAT); + p[0].op = OP_ColorPointer; + p[1].i = size; + p[2].i = stride; + p[3].p = (void*)pointer; + gl_add_op(p); +} + +void +glopNormalPointer(GLContext *c, GLParam *p) +{ + c->normal_array_stride = p[1].i; + c->normal_array = p[2].p; +} + +void +glNormalPointer(GLenum type, GLsizei stride, + const GLvoid *pointer) +{ + GLParam p[3]; + gl_assert(type == GL_FLOAT); + p[0].op = OP_NormalPointer; + p[1].i = stride; + p[2].p = (void*)pointer; + gl_add_op(p); +} + +void +glopTexCoordPointer(GLContext *c, GLParam *p) +{ + c->texcoord_array_size = p[1].i; + c->texcoord_array_stride = p[2].i; + c->texcoord_array = p[3].p; +} + +void +glTexCoordPointer(GLint size, GLenum type, GLsizei stride, + const GLvoid *pointer) +{ + GLParam p[4]; + gl_assert(type == GL_FLOAT); + p[0].op = OP_TexCoordPointer; + p[1].i = size; + p[2].i = stride; + p[3].p = (void*)pointer; + gl_add_op(p); +} |