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gl: Add function to bind a 4x4 float matrix shader uniform

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Alexandros Frantzis 2011-01-31 16:18:29 +02:00 • committed by Chris Wilson
parent 966e4a1738
commit b13198348c
2 changed files with 31 additions and 0 deletions
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5
src/cairo-gl-private.h
View file

@ -522,6 +522,11 @@ _cairo_gl_shader_bind_matrix (cairo_gl_context_t *ctx,
const char *name,
cairo_matrix_t* m);
cairo_private void
_cairo_gl_shader_bind_matrix4f (cairo_gl_context_t *ctx,
const char *name,
GLfloat* gl_m);
cairo_private void
_cairo_gl_shader_bind_texture (cairo_gl_context_t *ctx,
const char *name,

26
src/cairo-gl-shaders.c
View file

@ -92,6 +92,12 @@ typedef struct cairo_gl_shader_impl {
const char *name,
cairo_matrix_t* m);
void
(*bind_matrix4f) (cairo_gl_context_t *ctx,
cairo_gl_shader_t *shader,
const char *name,
GLfloat* gl_m);
void
(*bind_texture) (cairo_gl_context_t *ctx,
cairo_gl_shader_t *shader,
@ -262,6 +268,18 @@ bind_matrix_core_2_0 (cairo_gl_context_t *ctx,
dispatch->UniformMatrix3fv (location, 1, GL_TRUE, gl_m);
}
static void
bind_matrix4f_core_2_0 (cairo_gl_context_t *ctx,
cairo_gl_shader_t *shader,
const char *name,
GLfloat* gl_m)
{
cairo_gl_dispatch_t *dispatch = &ctx->dispatch;
GLint location = dispatch->GetUniformLocation (shader->program, name);
assert (location != -1);
dispatch->UniformMatrix4fv (location, 1, GL_FALSE, gl_m);
}
static void
bind_texture_core_2_0 (cairo_gl_context_t *ctx, cairo_gl_shader_t *shader,
const char *name, cairo_gl_tex_t tex_unit)
@ -292,6 +310,7 @@ static const cairo_gl_shader_impl_t shader_impl_core_2_0 = {
bind_vec3_core_2_0,
bind_vec4_core_2_0,
bind_matrix_core_2_0,
bind_matrix4f_core_2_0,
bind_texture_core_2_0,
use_program_core_2_0,
};
@ -797,6 +816,13 @@ _cairo_gl_shader_bind_matrix (cairo_gl_context_t *ctx,
ctx->shader_impl->bind_matrix (ctx, ctx->current_shader, name, m);
}
void
_cairo_gl_shader_bind_matrix4f (cairo_gl_context_t *ctx,
const char *name, GLfloat* gl_m)
{
ctx->shader_impl->bind_matrix4f (ctx, ctx->current_shader, name, gl_m);
}
void
_cairo_gl_shader_bind_texture (cairo_gl_context_t *ctx,
const char *name, GLuint tex_unit)