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render/gles2: simplify flipped projection
Instead of computing the projection, then flipping, just provide the correct transform to wlr_matrix_projection().
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c2e4ba1dd0
commit
c2e046022f
1 changed files with 1 additions and 9 deletions
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@ -204,7 +204,7 @@ static void gles2_begin(struct wlr_renderer *wlr_renderer, uint32_t width,
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// refresh projection matrix
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wlr_matrix_projection(renderer->projection, width, height,
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WL_OUTPUT_TRANSFORM_NORMAL);
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WL_OUTPUT_TRANSFORM_FLIPPED_180);
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glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
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@ -245,12 +245,6 @@ static void gles2_scissor(struct wlr_renderer *wlr_renderer,
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pop_gles2_debug(renderer);
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}
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static const float flip_180[9] = {
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1.0f, 0.0f, 0.0f,
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0.0f, -1.0f, 0.0f,
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0.0f, 0.0f, 1.0f,
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};
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static bool gles2_render_subtexture_with_matrix(
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struct wlr_renderer *wlr_renderer, struct wlr_texture *wlr_texture,
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const struct wlr_fbox *box, const float matrix[static 9],
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@ -286,7 +280,6 @@ static bool gles2_render_subtexture_with_matrix(
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float gl_matrix[9];
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wlr_matrix_multiply(gl_matrix, renderer->projection, matrix);
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wlr_matrix_multiply(gl_matrix, flip_180, gl_matrix);
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// OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set
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// to GL_FALSE
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@ -346,7 +339,6 @@ static void gles2_render_quad_with_matrix(struct wlr_renderer *wlr_renderer,
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float gl_matrix[9];
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wlr_matrix_multiply(gl_matrix, renderer->projection, matrix);
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wlr_matrix_multiply(gl_matrix, flip_180, gl_matrix);
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// OpenGL ES 2 requires the glUniformMatrix3fv transpose parameter to be set
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// to GL_FALSE
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