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UI: Perf: Use GWN_draw_primitive for drawing triple buffers texture.

This commit is contained in:
Clément Foucault 2018-04-08 16:59:39 +02:00
parent 17aad5ad97
commit 0b06e73258
1 changed files with 11 additions and 22 deletions
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33
source/blender/windowmanager/intern/wm_draw.c
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@ -474,35 +474,24 @@ void wm_triple_draw_textures(wmWindow *win, wmDrawTriple *triple, float alpha)
const float halfx = GLA_PIXEL_OFS / sizex;
const float halfy = GLA_PIXEL_OFS / sizey;
Gwn_VertFormat *format = immVertexFormat();
unsigned int texcoord = GWN_vertformat_attr_add(format, "texCoord", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
unsigned int pos = GWN_vertformat_attr_add(format, "pos", GWN_COMP_F32, 2, GWN_FETCH_FLOAT);
const int activeTex = 7; /* arbitrary */
glActiveTexture(GL_TEXTURE0 + activeTex);
glBindTexture(GL_TEXTURE_2D, triple->bind);
immBindBuiltinProgram(GPU_SHADER_2D_IMAGE_ALPHA);
float x1 = halfx;
float x2 = ratiox + halfx;
float y1 = halfy;
float y2 = ratioy + halfy;
immUniform1f("alpha", alpha);
immUniform1i("image", activeTex);
GPUShader *shader = GPU_shader_get_builtin_shader(GPU_SHADER_2D_IMAGE_RECT_COLOR);
GPU_shader_bind(shader);
immBegin(GWN_PRIM_TRI_FAN, 4);
glUniform1i(GPU_shader_get_uniform(shader, "image"), activeTex);
glUniform4f(GPU_shader_get_uniform(shader, "rect_icon"), x1, y1, x2, y2);
glUniform4f(GPU_shader_get_uniform(shader, "rect_geom"), 0.0f, 0.0f, sizex, sizey);
glUniform4f(GPU_shader_get_builtin_uniform(shader, GWN_UNIFORM_COLOR), alpha, alpha, alpha, alpha);
immAttrib2f(texcoord, halfx, halfy);
immVertex2f(pos, 0.0f, 0.0f);
immAttrib2f(texcoord, ratiox + halfx, halfy);
immVertex2f(pos, sizex, 0.0f);
immAttrib2f(texcoord, ratiox + halfx, ratioy + halfy);
immVertex2f(pos, sizex, sizey);
immAttrib2f(texcoord, halfx, ratioy + halfy);
immVertex2f(pos, 0.0f, sizey);
immEnd();
immUnbindProgram();
GWN_draw_primitive(GWN_PRIM_TRI_STRIP, 4);
glBindTexture(GL_TEXTURE_2D, 0);
}