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Merge pull request #3674 from loganmc10/patch-2

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Fix glUniformMatrix4fv call
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Twinaphex 2016-09-28 00:30:07 +02:00 committed by GitHub
commit f9af18c00b
1 changed files with 3 additions and 1 deletions
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4
gfx/drivers_shader/shader_glsl.c
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@ -1256,6 +1256,7 @@ static void gl_glsl_set_params(void *data, void *shader_data,
static bool gl_glsl_set_mvp(void *data, void *shader_data, const math_matrix_4x4 *mat) static bool gl_glsl_set_mvp(void *data, void *shader_data, const math_matrix_4x4 *mat)
{ {
static float current_mat_data[GFX_MAX_SHADERS];
static unsigned current_idx; static unsigned current_idx;
int loc; int loc;
glsl_shader_data_t *glsl = (glsl_shader_data_t*)shader_data; glsl_shader_data_t *glsl = (glsl_shader_data_t*)shader_data;
@ -1267,9 +1268,10 @@ static bool gl_glsl_set_mvp(void *data, void *shader_data, const math_matrix_4x4
loc = glsl->uniforms[glsl->active_idx].mvp; loc = glsl->uniforms[glsl->active_idx].mvp;
if (loc >= 0) { if (loc >= 0) {
if (current_idx != glsl->active_idx) { if (current_idx != glsl->active_idx || *mat->data != current_mat_data[loc]) {
glUniformMatrix4fv(loc, 1, GL_FALSE, mat->data); glUniformMatrix4fv(loc, 1, GL_FALSE, mat->data);
current_idx = glsl->active_idx; current_idx = glsl->active_idx;
current_mat_data[loc] = *mat->data;
} }
} }
return true; return true;